diff --git a/CHANGELOG.md b/CHANGELOG.md
index d59dbdd072..04bc503248 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,11 +12,25 @@ See [RELEASE](./RELEASE.md) for workflow instructions.
 
 ### Improvements
 
+## Release v1.6.6
+
+### Improvements
+
+* [#6198](https://github.com/spacemeshos/go-spacemesh/pull/6198) Configure default TTL for caching poet's /v1/info
+
+* [#6199](https://github.com/spacemeshos/go-spacemesh/pull/6199) Cache poet's /v1/pow_params
+
+## Release v1.6.5
+
+### Improvements
+
 * [#6185](https://github.com/spacemeshos/go-spacemesh/pull/6185) Optimize mempool
 
 * [#6187](https://github.com/spacemeshos/go-spacemesh/pull/6187) The merge tool now ignores files that are not `.key`
   files in the `identities` directory when merging two nodes.
 
+* [#6128](https://github.com/spacemeshos/go-spacemesh/pull/6128) Reduce logs spam
+
 ## Release v1.6.4
 
 ### Improvements
diff --git a/activation/poet.go b/activation/poet.go
index 08ea9b4fe1..0a30b32953 100644
--- a/activation/poet.go
+++ b/activation/poet.go
@@ -482,7 +482,7 @@ func (c *poetService) authorize(
 func (c *poetService) reauthorize(
 	ctx context.Context,
 	id types.NodeID,
-	challange []byte,
+	challenge []byte,
 	logger *zap.Logger,
 ) (*PoetAuth, error) {
 	if c.certifier != nil {
@@ -492,7 +492,7 @@ func (c *poetService) reauthorize(
 			}
 		}
 	}
-	return c.authorize(ctx, id, challange, c.logger)
+	return c.authorize(ctx, id, challenge, c.logger)
 }
 
 func (c *poetService) Submit(
@@ -523,7 +523,7 @@ func (c *poetService) Submit(
 	case err == nil:
 		return round, nil
 	case errors.Is(err, ErrUnauthorized):
-		logger.Warn("failed to submit challenge as unathorized - authorizing again", zap.Error(err))
+		logger.Warn("failed to submit challenge as unauthorized - authorizing again", zap.Error(err))
 		auth, err := c.reauthorize(ctx, nodeID, challenge, logger)
 		if err != nil {
 			return nil, fmt.Errorf("authorizing: %w", err)